The domain is {-9,-4,3,9} and the range is {2}.
Inserting 7 into the function, you get f(7)=2*7 which is 14. Therefore, someone can complete 14 guitar lessons in 7 months.
Answer:
27 miles
Step-by-step explanation:
3 mph is rate speed,
3 x 9 = 27 miles
Answer:
40 students
Step-by-step explanation:
16 = 40%
Divide by two to get 20% = 8
Then multiply by 5 to get 40 = 100%
There’s other ways to do this, BUT this is the way that I solve it.